Finding the Fourth Proportional to 2,088.18, 3,131.34 and 627.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.18 : 3,131.34 = 627.06 : x
2. Step 2: Convert to fraction form
   2,088.18/3,131.34 = 627.06/x
3. Step 3: Cross multiply
   2,088.18x = 3,131.34 × 627.06
4. Step 4: Simplify right side
   2,088.18x = 1,963,538.06
5. Step 5: Solve for x
   x = 1,963,538.06/2,088.18
6. Step 6: Final answer
   x = 940.31